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genesys: Return errors as exceptions from accurate_line_read()

merge-requests/104/head
Povilas Kanapickas 2019-07-20 11:02:41 +03:00
rodzic 53450b6810
commit c6dacdf014
1 zmienionych plików z 5 dodań i 34 usunięć
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39
backend/genesys.cc
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@ -3607,8 +3607,7 @@ void Genesys_Buffer::consume(size_t size)
#include "genesys_conv.cc"
static SANE_Status accurate_line_read(Genesys_Device * dev,
Genesys_Buffer& buffer)
static void accurate_line_read(Genesys_Device* dev, Genesys_Buffer& buffer)
{
DBG_HELPER(dbg);
buffer.reset();
@ -3617,7 +3616,6 @@ static SANE_Status accurate_line_read(Genesys_Device * dev,
buffer.size());
buffer.produce(buffer.size());
return SANE_STATUS_GOOD;
}
/** @brief fill buffer while reducing vertical resolution
@ -3631,18 +3629,10 @@ genesys_fill_line_interp_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst,
{
DBG_HELPER(dbg);
size_t count;
SANE_Status status = SANE_STATUS_GOOD;
/* fill buffer if needed */
if (dev->oe_buffer.avail() == 0)
{
status = accurate_line_read(dev, dev->oe_buffer);
if (status != SANE_STATUS_GOOD)
{
DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
(u_long) dev->oe_buffer.size(), sane_strstatus(status));
return SANE_STATUS_IO_ERROR;
}
accurate_line_read(dev, dev->oe_buffer);
}
/* copy size bytes of data, copying from a line when line count matches */
@ -3672,13 +3662,7 @@ genesys_fill_line_interp_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst,
/* read a new buffer if needed */
if (dev->oe_buffer.pos() >= dev->oe_buffer.avail())
{
status = accurate_line_read(dev, dev->oe_buffer);
if (status != SANE_STATUS_GOOD)
{
DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
(u_long) dev->oe_buffer.size(), sane_strstatus(status));
return SANE_STATUS_IO_ERROR;
}
accurate_line_read(dev, dev->oe_buffer);
}
}
@ -3696,7 +3680,6 @@ genesys_fill_segmented_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst, s
{
DBG_HELPER(dbg);
size_t count;
SANE_Status status = SANE_STATUS_GOOD;
int depth,i,n,k;
depth = dev->settings.depth;
@ -3706,13 +3689,7 @@ genesys_fill_segmented_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst, s
/* fill buffer if needed */
if (dev->oe_buffer.avail() == 0)
{
status = accurate_line_read(dev, dev->oe_buffer);
if (status != SANE_STATUS_GOOD)
{
DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
(u_long) dev->oe_buffer.size(), sane_strstatus(status));
return SANE_STATUS_IO_ERROR;
}
accurate_line_read(dev, dev->oe_buffer);
}
/* copy size bytes of data, copying from a subwindow of each line
@ -3773,13 +3750,7 @@ genesys_fill_segmented_buffer (Genesys_Device * dev, uint8_t *work_buffer_dst, s
/* read a new buffer if needed */
if (dev->oe_buffer.pos() >= dev->oe_buffer.avail())
{
status = accurate_line_read(dev, dev->oe_buffer);
if (status != SANE_STATUS_GOOD)
{
DBG(DBG_error, "%s: failed to read %lu bytes (%s)\n", __func__,
(u_long) dev->oe_buffer.size(), sane_strstatus(status));
return SANE_STATUS_IO_ERROR;
}
accurate_line_read(dev, dev->oe_buffer);
}
}